Question: 12 a Copy and complete this table. b What pattern can you see in your answers? c Add another row to see if the pattern

12 a Copy and complete this table.

x-1 - 2 2345 5 1 7 2 x+x+1 13

b What pattern can you see in your answers?
c Add another row to see if the pattern is still the same.
d Add three rows where x is a negative integer.
Is the pattern still the same if x is a negative integer?
e Compare your answers with a partner’s.

x-1 - 2 2345 5 1 7 2 x+x+1 13

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